NOISE

 

a. CONTINUOUS NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Site Formation

Measurement Location:

Ash Lagoon and Ching Lam

Measurement Parameter:

30-min Leq (07:00-19:00 hrs on normal weekdays)

 

5-min Leq (07:00-23:00 hrs on holidays and

19:00-23:00 hrs on all other days, and 23:00-07:00 hrs of next day)

 

NSR-1:

Long Tsai Tsuen/Hung Shing Ye

NSR-2:

School within Tai Wan San Tsuen

 

Date

Time

Calculated Noise Level at NSR-1

(dB(A))

Calculated Noise Level at NSR-2

(dB(A))

Max

Avg

Max

Avg

01/04/2002

07:00-23:00

48

44

43

38

01/04/2002

23:00-07:00

42

36

35

29

02/04/2002

07:00-19:00

19

19

14

14

02/04/2002

19:00-23:00

35

32

31

28

02/04/2002

23:00-07:00

36

31

32

26

03/04/2002

07:00-19:00

25

25

20

20

03/04/2002

19:00-23:00

39

30

34

25

03/04/2002

23:00-07:00

37

31

32

27

04/04/2002

07:00-19:00

--

--

--

--

04/04/2002

19:00-23:00

33

33

41

34

04/04/2002

23:00-07:00

--

--

33

27

05/04/2002

07:00-23:00

--

--

38

34

05/04/2002

23:00-07:00

--

--

29

23

06/04/2002

07:00-19:00

--

--

--

--

06/04/2002

19:00-23:00

--

--

28

25

06/04/2002

23:00-07:00

--

--

29

24

07/04/2002

07:00-23:00

--

--

38

32

07/04/2002

23:00-07:00

--

--

39

31

08/04/2002

07:00-19:00

--

--

39

37

08/04/2002

19:00-23:00

41

35

36

30

08/04/2002

23:00-07:00

41

33

36

28

09/04/2002

07:00-19:00

--

--

--

--

09/04/2002

19:00-23:00

33

29

29

25

09/04/2002

23:00-07:00

40

33

36

28

10/04/2002

07:00-19:00

--

--

--

--

10/04/2002

19:00-23:00

34

31

29

25

10/04/2002

23:00-07:00

38

34

33

30

11/04/2002

07:00-19:00

--

--

--

--

11/04/2002

19:00-23:00

39

37

35

32

11/04/2002

23:00-07:00

39

35

35

30

12/04/2002

07:00-19:00

41

38

36

33

12/04/2002

19:00-23:00

37

30

32

25

12/04/2002

23:00-07:00

38

32

33

28

13/04/2002

07:00-19:00

--

--

--

--

13/04/2002

19:00-23:00

38

34

33

29

13/04/2002

23:00-07:00

40

34

36

29

14/04/2002

07:00-23:00

38

32

33

28

14/04/2002

23:00-07:00

38

30

33

25

15/04/2002

07:00-19:00

--

--

--

--

15/04/2002

19:00-23:00

31

28

26

23

15/04/2002

23:00-07:00

36

31

31

27

16/04/2002

07:00-19:00

--

--

--

--

16/04/2002

19:00-23:00

27

24

22

19

16/04/2002

23:00-07:00

44

32

39

27

17/04/2002

07:00-19:00

--

--

--

--

17/04/2002

19:00-23:00

25

21

21

17

17/04/2002

23:00-07:00

34

28

29

23

18/04/2002

07:00-19:00

--

--

--

--

18/04/2002

19:00-23:00

38

33

33

28

18/04/2002

23:00-07:00

36

32

31

27

19/04/2002

07:00-19:00

--

--

--

--

19/04/2002

19:00-23:00

34

30

29

25

19/04/2002

23:00-07:00

32

26

28

21

20/04/2002

07:00-19:00

--

--

--

--

20/04/2002

19:00-23:00

37

30

33

27

20/04/2002

23:00-07:00

41

35

36

30

21/04/2002

07:00-23:00

46

36

41

31

21/04/2002

23:00-07:00

41

34

36

29

22/04/2002

07:00-19:00

42

40

38

36

22/04/2002

19:00-23:00

25

23

20

18

22/04/2002

23:00-07:00

28

26

23

21

23/04/2002

07:00-19:00

--

--

--

--

23/04/2002

19:00-23:00

--

--

--

--

23/04/2002

23:00-07:00

--

--

--

--

24/04/2002

07:00-19:00

--

--

--

--

24/04/2002

19:00-23:00

--

--

--

--

24/04/2002

23:00-07:00

36

30

32

25

25/04/2002

07:00-19:00

--

--

--

--

25/04/2002

19:00-23:00

36

32

31

27

25/04/2002

23:00-07:00

37

31

33

27

26/04/2002

07:00-19:00

40

40

35

35

26/04/2002

19:00-23:00

--

--

--

--

26/04/2002

23:00-07:00

40

29

35

24

27/04/2002

07:00-19:00

40

38

35

33

27/04/2002

19:00-23:00

25

23

21

18

27/04/2002

23:00-07:00

41

29

34

24

28/04/2002

07:00-23:00

32

25

27

20

28/04/2002

23:00-07:00

41

35

35

29

29/04/2002

07:00-19:00

--

--

--

--

29/04/2002

19:00-23:00

41

31

36

27

29/04/2002

23:00-07:00

33

27

28

23

30/04/2002

07:00-19:00

--

--

--

--

30/04/2002

19:00-23:00

31

24

26

19

30/04/2002

23:00-07:00

36

29

32

25

 

 

b. MANUAL NOISE MONITORING DATA

 

Site:

Lamma Power Station Extension – Transmission System Construction

Measurement Location:

Pak Kok Tsui

Measurement Parameter:

30-min Leq (07:00-19:00 hrs on normal weekdays)

 

N4:

Pak Kok Tsui No.2

N5:

Pak Kok Tsui No.8

 

Date

Time

Corrected

Noise Level

at N4

(dB(A))

Time

Corrected

Noise Level

at N5

(dB(A))

02/04/2002

10:45-11:14

--

10:45-11:14

52.3

04/04/2002

14:30-14:59

50.7

14:30-14:59

--

08/04/2002

13:30-13:59

64.7

13:30-13:59

--

10/04/2002

14:30-14:59

59.4

14:30-14:59

--

15/04/2002

10:45-11:14

64.3

10:45-11:14

--

19/04/2002

11:04-11:33

66.3

11:05-11:34

48.0

23/04/2002

14:30-14:59

61.9

14:30-14:59

51.1

25/04/2002

14:30-14:59

57.5

14:30-14:59

52.6

29/04/2002

10:42-11:11

63.9

10:45-11:14

--

 

 

Note:  --“ represents the measured noise monitoring data lower than the established notional background level.

 

 

**  END OF REPORT  **